<template>
  <header class="header">
    <h1>todos</h1>
    <input
      id="toggle-all"
      class="toggle-all"
      type="checkbox"
      v-model="checkA"
    />
    <label for="toggle-all"></label>
    <input
      class="new-todo"
      placeholder="输入任务名称-回车确认"
      autofocus
      @keydown.enter="createFn"
      v-model.trim="task"
    />
  </header>
</template>

<script>
export default {
  data() {
    return {
      task: "",
    };
  },
  methods: {
    createFn() {
      this.$store.commit('addTodo', this.task)
      this.task = "";
    },
  },
  computed: {
    checkA: {
      set(val) {
        this.$store.state.list.forEach((obj) => (obj.isDone = val));
      },
      get() {
        return (
          this.$store.state.list.length !== 0 &&
          this.$store.state.list.forEach((obj) => (obj.isDone = false))
        );
      },
    },
  },
};
</script>